Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / QIL / SubstitutionList.cs / 1305376 / SubstitutionList.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System; using System.Collections; using System.Diagnostics; namespace System.Xml.Xsl.Qil { ////// Data structure for use in CloneAndReplace /// ///Isolates the many QilNode classes from changes in /// the underlying data structure. internal sealed class SubstitutionList { // private ArrayList s; public SubstitutionList() { this.s = new ArrayList(4); } ////// Add a substituion pair /// /// a node to be replaced /// its replacement public void AddSubstitutionPair(QilNode find, QilNode replace) { s.Add(find); s.Add(replace); } ////// Remove the last a substituion pair /// public void RemoveLastSubstitutionPair() { s.RemoveRange(s.Count - 2, 2); } ////// Remove the last N substitution pairs /// public void RemoveLastNSubstitutionPairs(int n) { Debug.Assert(n >= 0, "n must be nonnegative"); if (n > 0) { n *= 2; s.RemoveRange(s.Count - n, n); } } ////// Find the replacement for a node /// /// the node to replace ///null if no replacement is found public QilNode FindReplacement(QilNode n) { Debug.Assert(s.Count % 2 == 0); for (int i = s.Count-2; i >= 0; i-=2) if (s[i] == n) return (QilNode)s[i+1]; return null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System; using System.Collections; using System.Diagnostics; namespace System.Xml.Xsl.Qil { ////// Data structure for use in CloneAndReplace /// ///Isolates the many QilNode classes from changes in /// the underlying data structure. internal sealed class SubstitutionList { // private ArrayList s; public SubstitutionList() { this.s = new ArrayList(4); } ////// Add a substituion pair /// /// a node to be replaced /// its replacement public void AddSubstitutionPair(QilNode find, QilNode replace) { s.Add(find); s.Add(replace); } ////// Remove the last a substituion pair /// public void RemoveLastSubstitutionPair() { s.RemoveRange(s.Count - 2, 2); } ////// Remove the last N substitution pairs /// public void RemoveLastNSubstitutionPairs(int n) { Debug.Assert(n >= 0, "n must be nonnegative"); if (n > 0) { n *= 2; s.RemoveRange(s.Count - n, n); } } ////// Find the replacement for a node /// /// the node to replace ///null if no replacement is found public QilNode FindReplacement(QilNode n) { Debug.Assert(s.Count % 2 == 0); for (int i = s.Count-2; i >= 0; i-=2) if (s[i] == n) return (QilNode)s[i+1]; return null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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